Flow control method for flow self-adaption modification of Iub port

An adaptive, traffic-based technology, applied in the field of mobile communications, can solve problems such as data volume deviation, timeout packet loss, statistical rate lag, etc., to achieve the effect of reducing errors, reducing jitter, and improving accuracy
CN102487531BInactive Publication Date: 2014-07-02POTEVIO INFORMATION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
POTEVIO INFORMATION TECH CO LTD
Publication Date
2014-07-02
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a flow control method for flow self-adaption modification of an Iub port. In the method, after a requested caching amount factor (Tbeta) is set and adjusted in advance and a Node B receives a flow control event. The method is implemented through the following steps of: A, recording the type of the current flow control event, the caching amount and the air interface rate (RatePQ_out) of a user PQ queue; B, judging whether the Tbeta is adjusted according to the type of the current flow control event, the current caching amount and the previous caching amount or not, if yes, executing the step C, otherwise, directly recording the Tbeta value and executing the step D; C, adjusting and recording the Tbeta value; and D, with regard to a normal flow control event, utilizing the recorded Tbeta value and RatePQ_out value to calculate the caching amount requested by the current flow control from an RNC (Radio Network Controller) by the Node B, and executing the flow control process. The method can be used for improving the accuracy of data amount requested by the flow control, reducing the flow control errors and reducing the caching jitter and the trigger frequency of upper and lower caching limits.
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Description

technical field

[0001] The invention relates to the field of mobile communication, in particular to a flow control method for self-adaptive correction of Iub port flow. Background technique

[0002] With the evolution of mobile communication technology from High Speed ​​Downlink Packet Access (HSDPA) technology to High Speed ​​Packet Access Plus (HSPA+) technology, data scheduling in HSPA+ technology is still performed on the base station (Node B) side, from the radio network controller (RNC ) sent by the dedicated media access control layer protocol data unit (MAC-d PDU) needs to be buffered at the Node B side, waiting for the enhanced high-speed media access control (MAC-ehs) scheduling. Due to the complexity of the air interface and the uncertainty of the mobile channel, the actual rate of the user on the air interface is affected by the performance of the scheduling algorithm, and it also directly affects the cache of user data on the NodeB side. Since the cache on the N...

Claims

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